Gas Frame 3.4L- Brushed Alum

Note: If buyers' bike rear wheel is with quick release,we suggest buyers do not buy the gas frame unless buyers are professional

the width and Inner Diameter (including depth of screw) of the bottom bracket : 68mmx35.4mm/2.677inx1.3937in
Bottom bracket: 
35.4mm (inner diameter)
44mm (outer diameter)

Requirement on switch of gas frame: 10*1.5mm, package not included

GT-C Aluminum Bike Frame With Built-in Gas Tank 3.4L - Non-Polished;

For 2-Stroke & 4-Stroke Engines. 
Requirement on headset size:1 1/8"; bottom bracket 1.732" /44mm diameter;
Gas Tank Cap included;
Diameter of downtube: 42mm

126mm rear frame width

Required for seat post: 27.2mm

Required for seat post clamp: 31.8mm

Rear Width:126mm; Head Tube Length 150 mm;

Product description 44T wide crank:

• If your bike is 2" cup of bottom bracket, pls use a bottom bracket converter 

  (we do not offer this converter, need you to buy it from your local shop), compatible with BB 44mm. For our 3.4L gas frame. 

  Be used on 26" cruiser style frame; 

  Compatible with 9/16 inch pedals. Sprocket Fit for 410 chain

  Crank Arm Length: 165mm; 

  The Length of the pedal crank shaft is about 266mm; 

  Chrome Wide Crank w/ 44T Sprocket

  This part allows you to convert a 1 piece crank into a 3 piece crank.

  Wide cranks are required for 2 stroke and 4-stroke or pull start bicycle engine kits.